.layout{
    border: 1px solid #ccc;
    max-width: 640px;
    margin: 0 auto; 
    //头部:
    .mmb_header{
        background-color: #ff9000;
        height: 50px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        img{
            display: block;
            width: 100%;
        }
        h3{
            width: 100%;
            padding-left: 10px;
            color: #fff;
            text-align: center;
            margin: 3px 0 0 0;
            a{
                text-decoration: none;
                color: #fff;
                font-weight: 100;
                width: 26px;
                height: 26px;
                float: left;
            }
        }
        div{
            padding-right: 10px;
            a{
                display: block;
                width: 34px;
            }
        }
    }
    //内容:
    .content{
        padding-top: 10px;
        padding-left: 4px;
        padding-bottom: 50px;
        display: flex;
        flex-wrap: wrap;
        >a{ 
            text-decoration: none;
            margin-right: 5px;
            margin-bottom: 5px;
            border: 1px solid #ddd;
            text-align: center;
            display: flex;
            padding: 20px 40px;
            flex-direction: column;
            >img{
                width: 100px;
            }
            >span{
                color: black;
                margin-top: 4px;
            }
        }
    }
    //路径:
    .road{
        width: 100%;
        height: 50px;
        line-height: 50px;
        background-color: #ddd;
        border: 1px solid #ccc;
        padding-left: 8px;
        box-sizing: border-box;
        >a{
            text-decoration: none;
            color: black;
        }
    }
    //底部:
    #foot{
        margin-top: 28px;
        .foot_top {
        background: #efefef;
        border-top: 1px solid #c4c4c4;
        border-bottom: 1px solid #c4c4c4;
        height: 34px;
        line-height: 34px;
        clear: both;
        >a {
            text-decoration: none;
            box-sizing: border-box;
            float: left;
            font-size: 14px;
            border-right: 1px solid #c4c4c4;
            text-align: center;
            width: 30%;
            color: black;
            >img {
                vertical-align: middle;
                width: 15px;
                height: 15px;
                margin-top: -5px;
                margin-right: 2px;
                top: 14px;
                left: 55px;
            }
        }
    }
    .footer {
        background: #efefef;
        text-align: center;
        font-size: 12px;
        padding: 15px 0;
        color: #666;
    }
    }
}